winex11: Call sync_context for DC_GL_CHILD_WIN drawables before swapping buffers.

4e9646a7 · Sebastian Lackner · Alexandre Julliard · bd9e6081 · 4e9646a7
Commit 4e9646a7 authored Oct 01, 2013 by Sebastian Lackner Committed by Alexandre Julliard Oct 02, 2013
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opengl.c dlls/winex11.drv/opengl.c +1 -0

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--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -3220,6 +3220,7 @@ static BOOL glxdrv_wglSwapBuffers( HDC hdc )
        pglXSwapBuffers(gdi_display, gl->drawable);
        break;
    case DC_GL_CHILD_WIN:
+        if (ctx) sync_context( ctx );
        escape.gl_drawable = gl->drawable;
        /* fall through */
    default: